On 12/11/2014 11:39 PM, bharat lal wrote: > I am working on a decameric protein and want to create disulfide bridge > between cysteines of adjacent monomers. ... > KeyError: 'No such residue: 44:D'
Not sure how this message could be any more clear - you don't have a residue 44 in chain D. Remember that Modeller always numbers from 1. Try building a model without any bridges and look at the output file to see the numbering.
Ben Webb, Modeller Caretaker